Norman, A. G. <br/><br/>
Advances in agronomy 

 - New York  Adademic Press    1953 
 - xi, 416 
<br/><br/>Vol. II, IV 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Agriculture<br/>  Vegetables<br/>  Soils<br/>  Plants
<br/><br/><label>Dewey Class. No.: </label>630  / A512n